Commercial Tankless System – Wall Mounted
Modular system allows Isolation to reduce downtime Warranty
5-Year heat exchanger, 5-years parts, 1-year rack parts and 1-year labor warranty
*See Commercial Warranty Certificate for complete information*
- 95 - 96% Thermal Efficiency
- Standard Max High Temperature 185 ºF
- Manifold Control Models link up to 20 units
- Common Venting Compatible
- Service valves included
- 199, 000 BTU/h
- Commercial Project Sizing Available
Rheem® Commercial Tankless System
This custom-built tankless solution arrives on the jobsite factory-assembled with single point connections, including:
- RTGH-CM95 Condensing Tankless Water Heaters
- Factory installed system control manifold
- Pre-sized water and gas manifold
- Electrical wiring
- Condensate lines
Configurations
- Wall mounted system
- Wall hung system
- Free-standing system
System Options
- 2-6 tankless units per system
- Indoor & Outdoor systems
- Common venting options for up to 10 units
- Easy manifolding of up to 20 units
Engineered Solution by Rheem
- Scalable from 11,000 BTU/h to 1,199,400 BTU/h per system (6 units max per system rack, multiple racks can be linked up to 20 total units or 3,998,000 BTU/h)
- Multiple configurations
- Options for future expansion
Installation Savings
- Reduce installation costs with single point connections Industry Best Solutions
- Minimum side to side clearances = 1/2 inch (to combustibles)
- Minimum fow rate = 0.26 GPM
- Minimum activation rate = 0.40 GPM
- UL-1738 & ULC-S636 certification on PPs venting accessories Redundancy
Efficiency
- Up to 96% Thermal Efficiency with stainless steel condensing heat exchanger
- Intelligent electronic controls designed to increase energy efficiency and safety
Performance
- Low flow fixture compatible – Industry minimum flow rate of .26 GPM and minimum activation flow rate of .40 GPM ensures the user will receive hot water even in low demand situations
- Recirculation Pump Kit-Ready – Quickly pairs with our Recirculation Pump kit to provide instantaneous hot water at the tap2
Easy Installation and Service
- Ability to vent with room air
- Indoor, Natural Gas units are common vent compatible up to 10 units
- Common venting with Polypropelene
- Built-in condensate neutralizer
- 1/2" Gas line compatibility on every model
- Exclusive! Maintenance Notice Setting Alerts – flashing a warning code to call for service check
- Self-diagnostic system for easy installation and service
- Digital display shows temperature setting and maintenance codes
- Two-pipe direct vent system designed for PVC pipe (up to 38 ft. of 3" PVC pipe or 5 ft. of 2" PVC pipe)
- High altitude capability up to 8,400 ft
- Commercial Project Sizing Available from Rheem Applications Engineers
- Digital remote control and 10 ft.of thermostat wire included
- Freeze protection to -30°F
Technology
- Manifold control models - with factory installed translator links up to 20 units
- Hot-start programming - helps minimize fluctuation in water temperature, referred to as “cold water sandwich”, during periods of frequent on/off operation
- Exclusive! Overheat film wrap with industry-best side to side clearance of 1/2 inch
- EZ-Spec™ Sizing Software – advanced online tool that takes the guess work out of sizing tankless applications– available at www.rheem.com/tankless
Parts & Accessories
- Common Venting: Direct Vent & Room Air header kits
For more information on recommended Commercial Tankless parts and accessories, see the Parts and Accessories Catalog or call 866-720-2076. (Sold Separately)
Modular system allows Isolation to reduce downtime Warranty
5-Year heat exchanger, 5-years parts, 1-year rack parts and 1-year labor warranty
*See Commercial Warranty Certificate for complete information*












More Commercial Rheem Products
Find additional documentation by viewing these related products.
- Up to 98% thermal efficiency
- One unit supports natural gas and liquid propane with a fuel conversion kit. Transitions between indoor and outdoor use with an optional kit
- Manifold capable up to 32 units
- PVC/PP common venting up to 12 units
- 8 Year Heat Exchanger Warranty
- Prebuilt and factory configured rack systems ready to install.
- 11,000 BTU/h to 1,199,400 BTU/h per system
- 2-6 Tankless units per system
- Manifold capable up to 32 units
- PVC/PP common venting up to 12 units
- 8 Year Heat Exchanger Warranty
- Prebuilt and factory configured rack systems ready to install.
- 11,000 BTU/h to 599,700 BTU/h per system
- 2-3 Tankless units per system
- Manifold capable up to 32 units
- PVC/PP common venting up to 12 units
- 8 Year Heat Exchanger Warranty
- Vent up to 12 units together to save space and reduce wall penetrations.
- Connect up to 8 tankless water heaters with an optional Modular Rack Manifold Kit.
- Pre-designed solution with all necessary water and gas piping for side-by-side or back-to-back setups.
- Support any number of units in various configurations.
- Starter and extension kits simplify planning.
- 8-year Heat Exchanger Warranty.


